Home / 5,451.61-8,176.20-2,165.44

Finding the Fourth Proportional to 5,451.61, 8,176.20 and 2,165.44

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Solution

The fourth proportional to 5,451.61, 8,176.20 and 2,165.44 is: 3,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.61 : 8,176.20 = 2,165.44 : x
  2. Step 2: Convert to fraction form
    5,451.61/8,176.20 = 2,165.44/x
  3. Step 3: Cross multiply
    5,451.61x = 8,176.20 × 2,165.44
  4. Step 4: Simplify right side
    5,451.61x = 17,705,070.53
  5. Step 5: Solve for x
    x = 17,705,070.53/5,451.61
  6. Step 6: Final answer
    x = 3,247.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.